From 525620d1d98aed8f7715195388ec8311f46ac84f Mon Sep 17 00:00:00 2001
From: Stig Rune Sellevag <stig-rune.sellevag@ffi.no>
Date: Tue, 8 Aug 2023 13:17:28 +0200
Subject: [PATCH] update to latest scilib

---
 src/diim.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/diim.cpp b/src/diim.cpp
index 8ba7bd7..567ad60 100644
--- a/src/diim.cpp
+++ b/src/diim.cpp
@@ -313,10 +313,10 @@ void Iim::Diim::check_stability()
 
     Sci::Linalg::eig(astar_tmp, evec, eval);
 
-    double eval_largest = std::abs(eval(0)); // magnitude is used for comparison
-    for (auto& ei : eval) {
-        if (std::abs(ei) > eval_largest) {
-            eval_largest = std::abs(ei);
+    double eval_largest = std::abs(eval[0]); // magnitude is used for comparison
+    for (Sci::index i = 0; i < eval.extent(0); ++i) {
+        if (std::abs(eval[i]) > eval_largest) {
+            eval_largest = std::abs(eval[i]);
         }
     }
     if (std::abs(eval_largest) >= 1.0) {